President Donald Trump has made many enemies during his decades in the national spotlight, with his time running for president only adding to the list. One vocal critic of the new commander in chief has been the owner of the NBA's Dallas Mavericks, mark cuban.

Trump on Cuban

From being a well-known billionaire real estate mogul to filling the role of the host on "The Apprentice," Donald Trump has found ways to keep his name in the news, which has never been more evident than since he decided to run for president. Over the last year and a half, the president has engaged in a war of words with a variety of people and from all walks of life.

Whether it's politicians, members of the news media, foreign leaders, or celebrities, Trump has made a habit out of lashing out during interviews or on social media. As seen during a February 12 post on his Twitter feed, Trump is rekindling his feud with Mark Cuban.

During a recent interview with the Star Telegram, former star of the "Shark Tank" reality show, Mark Cuban, warned CEOs to be careful in how they interact with Donald Trump. "Be an American citizen first," Cuban said, which apparently didn't sit well with the new leader of the free world.

In addition, Cuban went on to attack the president over his "hypocrisy" in relation to his recent "Muslim ban" executive order, describing Trump as "crazy."

"I know Mark Cuban well.

He backed me big-time but I wasn't interested in taking all of his calls," Donald Trump wrote on Twitter early Sunday morning. Not stopping there, Trump went on to say, "He's not smart enough to run for president!" Despite his claim that Cuban was a "big-time" supporter of his campaign, the NBA owner turned into one of his biggest critics during the election, and publicly backed Hillary Clinton.

Other tweets

Prior to his attack on Mark Cuban, Donald Trump used Twitter to voice other grievances. "The crackdown on illegal criminals is merely the keeping of my campaign promise," he tweeted, in reference to the recently reported ICE raids that have attempted to deport hundreds of illegal immigrants, while explaining, "Gang members, drug dealers & others are being removed!"

Not stopping there, the former host of "The Apprentice" continued to defend his controversial "Muslim ban," despite the executive order being blocked by a federal court.

"72% of refugees admitted into U.S. (2/3 -2/11) during COURT BREAKDOWN are from 7 countries: SYRIA, IRAQ, SOMALIA, IRAN, SUDAN, LIBYA & YEMEN," he claimed.